Istanbul
Turkey
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Istanbul, Turkey

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Contents

Ships along the coast of the port city of Istanbul, Turkey, with a background view of the cityscape
Ships along the coast of the port city of Istanbul, Turkey, with a background view of the cityscape

Weather in July

July is the sunniest and driest month in Istanbul as the sun blazes for approximately 355 hours during the month. The high summer registers temperatures in the 20°C (68°F) to 26.7°C (80.1°F) average range.
The skies are clear, and the rainfall is negligible at 33mm (1.3"). The mornings are sultry, and the strong midday sun is a time to avoid the beaches and shores.
A post afternoon breeze often cools down the evenings, which is the perfect time to roam throughout the city. The 15-hour daylight removes any traces of gloominess in the atmosphere.

FAQ

What is the temperature in July in Istanbul?

In Istanbul, in July, the average high-temperature is 26.5°C (79.7°F), and the average low-temperature is 19.5°C (67.1°F).

How many days does it rain in July in Istanbul?

In Istanbul, during July, the rain falls for 4.2 days and regularly aggregates up to 31.6mm (1.2") of precipitation.

What is the driest month in Istanbul?

July is the month with the least rainfall in Istanbul. Rain falls for 4.2 days and accumulates 31.6mm (1.2") of precipitation.

What is the water temperature in July in Istanbul?

In Istanbul, in July, the average water temperature is 24.8°C (76.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

What is the average length of the day in July in Istanbul?

In July, the average length of the day in Istanbul is 14.8h.

What month has the most sunshine in Istanbul?

July has the most sunshine of the year in Istanbul, with an average of 10.4h of sunshine.

How long on average sun shines in July in Istanbul?

In July, the average sunshine in Istanbul is 10.4h.

When is the highest UV index in Istanbul?

With an average maximum UV index of 9, July is the month with the highest UV index in Istanbul, Turkey.

How high is the UV index in July in Istanbul?

In Istanbul, the average daily maximum UV index in July is 9. A UV Index estimate of 8 to 10 represents a very high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in July
Istanbul, Turkey

Average temperature in July - Istanbul, Turkey
  • Average high temperature in July: 26.5°C

The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (8.5°C).

  • Average low temperature in July: 19.5°C

The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).

Average rainfall in July
Istanbul, Turkey

Average rainfall in July - Istanbul, Turkey
  • Average rainfall in July: 31.6mm

The wettest month (with the highest rainfall) is December (122.6mm).
The driest month (with the lowest rainfall) is July (31.6mm).

Average rainfall days in July
Istanbul, Turkey

Average rainfall days in July - Istanbul, Turkey
  • Average rainfall days in July: 4.2 days

The month with the highest number of rainy days is January (17.5 days).
The month with the lowest number of rainy days is July (4.2 days).

Average snowfall days in July
Istanbul, Turkey

Average snowfall days in July - Istanbul, Turkey
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (4.9 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in July
Istanbul, Turkey

Average sea temperature in July - Istanbul, Turkey
  • Average sea temperature in July: 24.8°C

The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).

Average daylight in July /
Average sunshine in July
Istanbul, Turkey

Average daylight in July / Average sunshine in July - Istanbul, Turkey
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.4h

The month with most sunshine is July (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 2.2h).

Average UV index in July
Istanbul, Turkey

Average UV index in July - Istanbul, Turkey
  • Average UV index in July: 9

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 1).